Home / 570,715-787,585.02-328,996.24

Finding the Fourth Proportional to 570,715, 787,585.02 and 328,996.24

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Solution

The fourth proportional to 570,715, 787,585.02 and 328,996.24 is: 454,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,715 : 787,585.02 = 328,996.24 : x
  2. Step 2: Convert to fraction form
    570,715/787,585.02 = 328,996.24/x
  3. Step 3: Cross multiply
    570,715x = 787,585.02 × 328,996.24
  4. Step 4: Simplify right side
    570,715x = 259,112,510,260.33
  5. Step 5: Solve for x
    x = 259,112,510,260.33/570,715
  6. Step 6: Final answer
    x = 454,013.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.